import os
import configparser
import sys
import pygame
import random
from modules import *
from pygame.examples.sprite_texture import sprite

'''游戏初始化'''
def initGame():
    #初始化pygame,设置展示窗口
    pygame.init()
    screen=pygame.display.set_mode(configparser.SCREENSIZE)
    pygame.display.set_caption('catch cion ----')
    #加载必要的游戏素材
    game_images={}
    for key,value in configparser.IMAGE_PATHS.items():
        if isinstance(value,list):
            images=[]
            for item in value:images.append(pygame.image.load(item))
            game_images[key]=images
        else:
            game_images[key]=pygame.image.load(value)
    game_sounds={}
    for key,value in configparser.AUDIO_PATHS.items():
        if key =='bgm':continue
        game_sounds[key]=pygame.mixer.Sound(value)
    #返回初始化数据

'''主函数'''


def showEndGameInterface(screen, cfg, score, highest_score):
    pass


class Food:
    pass


def main(Hero=None):
    #初始化
    screen,game_images,game_sounds=initGame()
    #播放背景音乐
    pygame.mixer.music.load(configparser.AUDIO_PATHS['bgm'])
    pygame.mixer.music.play(-1,0,0)
    #字体加载
    font=pygame.font.Font(configparser.FONT_PATH,40)
    #定义hero
    hero=Hero(game_images['hero'],position=(375,520))
    #定义食物组
    food_sprites_group=sprite.group -()
    generate_food_freq=random.randint(10,20)
    generate_food_count=0
    #当前分数/历史最高分
    score=0
    highest_score=0 if not os.path.exists(configparser.HIGHEST_SCORE_RECORD_FILEPATH) else int(open(configparser.HIGHEST_SCORE_RECORD_FILEPATH).read())
    #游戏主循环
    clock=pygame.time.Clock()
    while True:
        #填充背景
        screen.fill(0)
        screen.blit(game_images['background'],(0,0))
        #倒计时信息
        countdown_text='Count down:'+str((90000-pygame.time.get_ticks())//60000)+":"+str((90000-pygame.time.get_ticks())//1000%60).zfill(2)
        countdown_text = font.render(countdown_text, True, (0, 0, 0))
        countdown_rect = countdown_text.get_rect()
        countdown_rect.topright = [configparser.SCREENSIZE[0] - 30, 5]
        screen.blit(countdown_text, countdown_rect)
        #按键检测
        for event in pygame.event.get():
            if event.type==pygame.QUIT:
                pygame.quit()
                sys.exit()
        key_pressed=pygame.key.get_pressed()
        if key_pressed[pygame.K_a] or key_pressed[pygame.K_LEFT]:
            hero.move(configparser.SCREENSIZE,'left')
        if key_pressed[pygame.K_d] or key_pressed[pygame.K_RIGHT]:
            hero.move(configparser.SCREENSIZE,'right')
        #--随机生成食物
        generate_food_count+=1
        if generate_food_count>generate_food_freq:
            generate_food_freq=random.randint(10,20)
            generate_food_count=0
            food=Food(game_images,random.choice(['gold',]*10 +['apple']),configparser.SCREENSIZE)
            food_sprites_group.add(food)
            # --更新食物
        for food in food_sprites_group:
            if food.update(): food_sprites_group.remove(food)
            # --碰撞检测
        for food in food_sprites_group:
            if pygame.sprite.collide_mask(food, hero):
                    game_sounds['get'].play()
                    food_sprites_group.remove(food)
                    score += food.score
                    if score > highest_score: highest_score = score
        # --画hero
        hero.draw(screen)
        # --画食物
        food_sprites_group.draw(screen)
        # --显示得分
        score_text = f'Score: {score}, Highest: {highest_score}'
        score_text = font.render(score_text, True, (0, 0, 0))
        score_rect = score_text.get_rect()
        score_rect.topleft = [5, 5]
        screen.blit(score_text, score_rect)
        # --判断游戏是否结束
        if pygame.time.get_ticks() >= 90000:
                break
        # --更新屏幕
        pygame.display.flip()
        clock.tick(configparser.FPS)
    # 游戏结束, 记录最高分并显示游戏结束画面
    fp = open(configparser.HIGHEST_SCORE_RECORD_FILEPATH, 'w')
    fp.write(str(highest_score))
    fp.close()
    return showEndGameInterface(screen, configparser, score, highest_score)

'''run'''
if __name__=='__main__':
    while main():
        pass
